Re: [RFA]: File-I/O patch, Documentation

[Daniel Jacobowitz <drow@mvista.com>]

On Fri, Feb 28, 2003 at 04:49:26PM +0100, Corinna Vinschen wrote:
> On Fri, Feb 28, 2003 at 10:25:04AM -0500, Daniel Jacobowitz wrote:
> > On Fri, Feb 28, 2003 at 09:33:08AM +0100, Corinna Vinschen wrote:
> > > > c99 (what ever the standard) formalized a number of explicitly sized 
> > > > types (int32 et.al. I believe).  I think this table should be specified 
> > > > using those types.  The alternative is to generalize the 
> > > > sim/common/sim-types.h file and then specify the sizes using that.
> > > 
> > > I don't think so.  The protocol is more or less self-contained.  All
> > > definitions are based on the assumption, that you'll never find a
> > > really matching combination of values as they are defined on all
> > > machines.  Looking into the fileio code you'll see, that gdb has a
> > > couple of functions which transform all protocol datatypes to host
> > > datatypes and all protocol values to host values and vice versa.
> > > This is done that way to be totally independent from other sources of
> > > definition (especially machine dependent definitions).
> > > 
> > > It's *expected* that the gdb plugin on the target side is doing the
> > > same.
> > 
> > Sure.  But how big are they on the wire?  I think that's what Andrew
> > was asking to be clarified.
> 
> ...which is written into the document in the chapter "Integral datatypes"
> which I mistakenly referenced as "B.1" as it was in my original document
> I've send months ago on the gdb ML.

Sorry.  I was extrapolating from Andrew's answer, and it's been months
since I read it.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer